JP2007109308A - Content recording medium control method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a user to execute program selection while contents of a chapter are comprehensible. <P>SOLUTION: A program mode is started when the program is specified on the basis of user's operation during a display of a chapter menu of DVD-Video. By selecting the chapter on the chapter menu during the program mode, a program list is prepared by storing the selected chapter in a memory as the program information. Then, the recording medium is controlled so as to playback the chapters in the order from the program list in accordance with the operation for starting the playback of program. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a content recording medium control method for program reproduction of chapters recorded on a content recording medium such as DVD-Video.

  Conventionally, when a content recording medium such as DVD-Video is played back by an optical disc playback device such as a DVD player, among the titles and chapters of a plurality of contents recorded on the recording medium, what the user desires to play back A program function is known in which a list is selected and played back in the order of the list.

  FIG. 1 is a block diagram showing the structure of a conventional optical disk reproducing apparatus. In FIG. 1, reference numeral 12 denotes a data reading device for reading management information and data from the optical disk 11. The read management information is output to the management information storage device 13, and the read data is output to the data decoding device 15. The

  The management information stored in the management information storage device 13 is read by the control device 16, and the management information is analyzed in the control device 16.

  The control device 16 controls the data reading device 12 based on the analyzed data and designates data to be read.

  The data decoding device 15 has a data sorting function, and the data read from the optical disc 11 is sorted into image data and audio data. The sorted data is output to the data storage device 14 and stored in the image data storage area and the audio data storage area, respectively.

  The data decoding device 15 has a data decoding function, and takes out image data stored in the image data storage area of the data storage device 14 and converts the image data into data for display on a monitor. Decoding processing is performed, and the decoded data is output to the monitor.

  Further, the audio data stored in the audio data storage area of the data storage device 14 is taken out, audio data decoding processing is performed to convert it into data for speaker output, and the decoded data is output to the speaker.

  Content reproduction is realized by performing such decoding processing of image data and audio data in parallel.

Hereinafter, the program playback function will be described. FIG. 4 is a diagram showing a display example of a conventional chapter program menu. In the program function in the stop state, first, the title and chapter of the program to be played back from the displayed title and chapter number of the media held in the playback device in advance in the program selectable chapter number display frame 41 are displayed. The number is selected by the user, the list selected by the program is displayed in the list display frame 42, and reproduction is performed in this list order.
JP 2002-152665 A

  However, the data that can be displayed when selecting a program is only the title and chapter number included in the management information read from the optical disc, which is inconvenient for the user. Specifically, it is difficult to understand the content of the selected title or chapter, and an unintended one may be reproduced. Therefore, it has been desired to display information so that chapter information can be understood.

  The present invention has been made in view of this point, and an object of the present invention is to allow a user to execute program selection in a state where the contents of chapters are easy to understand.

That is, the present invention is a content recording medium control method using a content reproducing apparatus capable of reproducing a recording medium on which content is recorded,
A procedure for activating a program function for creating a program list in which identification information (for example, chapter numbers) indicating a predetermined chapter is listed while displaying a chapter menu recorded on the recording medium;
And selecting one of a plurality of chapters displayed on the chapter menu to register the identification information of the selected chapter in the program list.

  As described above, according to the present invention, by activating the program function while the chapter menu of the DVD-Video disc is displayed, the user can select the chapters that the user wants to play back in sequence. Chapters can be selected in an easy-to-understand state, improving convenience.

  For example, depending on the DVD-Video media, sub-picture information is displayed on the chapter menu, and a chapter playback image can be displayed so that the user can select a chapter in a state in which the chapter contents are easily understood. . In this case, if the program can be selected in the menu, it is possible to provide the user with the same function as when the first image data of the chapter is displayed as a thumbnail.

  Also, even if the DVD-Video disc has no sub-picture display in the chapter menu, the name of each chapter is displayed in the chapter menu. For example, if the DVD is a concert video of music, the title of the song can be selected. Therefore, a situation in which a video unintended by the user is reproduced by program can be avoided, and a desired video can be reproduced by program.

  Thus, it is not necessary to add an enormous storage device in the optical disc playback device, and program selection and playback can be performed in a state where the contents of the chapters are easy to understand, and the program function that is easier to use for DVD-Video discs in the optical disc playback device. Is possible.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following description of the preferred embodiments is merely exemplary in nature and is in no way intended to limit the invention, its application, or its application.

  FIG. 2 is a block diagram showing a configuration of the optical disc playback apparatus 31 according to the embodiment of the present invention. In FIG. 2, reference numeral 22 denotes a data reading device for reading management information and data from the optical disc 21. The read management information is output to the management information storage device 23, and the read data is output to the data decoding device 25. The

  The management information stored in the management information storage device 23 is read by the control device 26, and the management information is analyzed in the control device 26.

  The data decoding device 25 has a data sorting function, and data read from the optical disc 21 is sorted into image data and audio data. The sorted data is output to the data storage device 24 and stored in the image data storage area and the audio data storage area, respectively.

  The data storage device 24 has a program reproduction data storage area in addition to the image data storage area and the audio data storage area. In this program reproduction data storage area, a program created by a program function to be described later is provided. A list is stored.

  The control device 26 controls the data reading device 22 based on the analyzed data and designates data to be read. Further, the control device 26 reads the program list from the program reproduction data storage area of the data storage device 24 and controls to read data based on this list.

  The data decoding device 25 has a data decoding function, and takes out image data stored in the image data storage area of the data storage device 24 and converts the image data into data for display on a monitor. The decoded data is output to the monitor.

  Further, the audio data stored in the audio data storage area of the data storage device 24 is taken out, audio data decoding processing is performed to convert it into data for speaker output, and the decoded data is output to the speaker.

  Content reproduction is realized by performing such decoding processing of image data and audio data in parallel.

  FIG. 3 is a diagram showing an optical disc playback apparatus used for carrying out the content recording medium control method according to the embodiment of the present invention and a remote control apparatus operated by the user.

  The configuration of the optical disk playback device 31 is as described above, and the remote control device 32 is for the user to remotely operate the optical disk playback device 31.

  The remote control device 32 includes a menu key 33 for displaying a menu of a DVD-Video disc, which is necessary for carrying out the present invention, and a book key, in addition to buttons for power ON / OFF and volume control. The program key 34 for starting the program function in the invention is provided.

  FIG. 5 is a diagram showing an example of a chapter menu of a DVD-Video disc. As shown in FIG. 5, in the chapter menu, a chapter button 51 in which chapter numbers of selectable chapters and sub-pictures are displayed as thumbnails is displayed.

  In addition, when a chapter menu exists over a plurality of pages at the lower position of the chapter displayed as a thumbnail, a Prev button 52, a Next button 54 for switching the menu screen, and a main menu are displayed. An Exit button 53 for returning to the menu or the like is displayed.

  Then, in the state where the chapter menu shown in FIG. 5 is displayed, the program function is activated when the user presses the program key 34 of the remote control device 32, and the program list as shown in FIG. 6 is displayed on the screen. It has become.

  FIG. 6 is a diagram showing a state in which the program function is executed and the program list is displayed. As shown in FIG. 6, the program list is displayed so as to overlap with a part of the chapter buttons 51 displayed on the chapter menu. The display frame of the program list is displayed translucently so that overlapping chapter buttons 51 can be identified. Also, in this program list, a number indicating the reproduction order is displayed. In FIG. 6, since the chapter number has not been selected yet, the list is blank.

  FIG. 7 is a diagram showing a display example during program selection in the chapter menu. As shown in FIG. 7, the user selects a chapter button 51 in the chapter menu in the same way as when selecting a normal chapter menu so that the selected chapter is reflected and displayed in the chapter list. It has become.

  In the present embodiment, the selected chapter number is displayed as the selected chapter display method. However, the present invention is not limited to this mode. For example, the sub-picture in the menu is copied and displayed. It doesn't matter.

  Next, the processing procedure from the insertion of the disc to the start of menu reproduction will be described with reference to the flowchart shown in FIG.

  First, in step S101, a disc is inserted, and the process proceeds to subsequent step S102. In step S102, the disk management information is acquired, and the process proceeds to subsequent step S103.

  In step S103, it is determined whether or not there is a reproduction instruction based on a user instruction or disc management information. If “YES” at step S103, the process branches to step S104. If the determination in step S103 is “NO”, the process waits until an instruction is given.

  In step S104, it is determined whether or not the content of the user instruction or the instruction by the disc management information is a menu reproduction display. If “YES” at step S104, the process branches to step S107. If “NO” at step S104, the process branches to step S105.

  In step S105, the main part is reproduced, and the process proceeds to subsequent step S106. In step S106, it is determined whether there is an instruction to the menu based on the user or disc management information from the playback state.

  If “YES” at step S106, the process branches to step S107. If the determination in step S106 is “NO”, reproduction of the main part is continued until an instruction is given.

  In step S107, the program function activation flag 1 is set, and the process proceeds to the subsequent step S108. In step S108, a menu reproduction process is executed.

  Next, a processing procedure from the start of menu reproduction to the start of the program function will be described with reference to the flowchart of FIG.

  First, in step S201, the button command on the menu is saved, and the process proceeds to subsequent step S202. In step S202, the menu upper button is analyzed, and the process proceeds to step S203.

  In step S203, it is determined whether there is a Link or Jump command specifying a chapter among all the button commands of the saved menu, as a determination of acceptance of the program key.

  If “YES” at step S203, the process branches to step S204, the program function activation flag 2 is set at step S204, and the process proceeds to the subsequent step S205. If “NO” at step S203, the process branches to step S205.

  In step S205, the menu is reproduced, and the process proceeds to subsequent step S206. In step S206, it is determined whether there is a key input from the user.

  If “YES” at step S206, the process branches to step S207. If the determination in step S206 is “NO”, the process waits until there is a key input.

  In step S207, it is determined whether the input key is a program key. If “YES” at step S207, the process branches to step S209. If “NO” at step S207, the process branches to step S208.

  In step S208, the process based on the disk management information is performed, and the process ends. In step S209, program function processing based on the input program key is executed.

  Next, the program information selection processing procedure in the chapter menu will be described with reference to the flowchart of FIG.

  First, in step S301, it is determined whether the program mode start flags 1 and 2 are set. If “YES” at step S301, the process branches to step S302. If the determination in step S301 is “NO”, the process ends without starting the program mode.

  In step S302, all navigation commands of buttons on the menu are extracted, and the process proceeds to subsequent step S303.

  In step S303, it is determined whether there is a button having a Link or Jump command specifying a chapter. If “YES” at step S303, the process branches to step S304. If the determination in step S303 is “NO”, the process ends without starting the program mode.

  In step S304, it is determined whether a button on the menu screen has been designated as processing in the program mode. If “YES” at step S304, the process branches to step S305. If the determination in step S304 is “NO”, the process waits until the button is selected.

  In step S305, the navigation command is extracted from the designated button information, and the process proceeds to subsequent step S306.

  In step S306, it is determined whether or not the extracted navigation command is Link or Jump. If “YES” at step S306, the process branches to step S307. If “NO” at step S306, the process branches to step S311, and the process is terminated without executing the command at step S311.

  In step S307, it is determined whether or not the command of the selected button is Link. If “YES” at step S307, the process branches to step S308. If “NO” at step S307, the process branches to step S312.

  In step S308, it is determined whether or not a sub instruction is designated for the Link command. If “YES” at step S308, the process branches to step S309. If “NO” at step S308, the process branches to step S313.

  In step S309, it is determined whether or not the sub instruction designation of the Link command is RSM. If “YES” in step S309, the process branches to step S310. In step S310, the program playback information is discarded, the program mode is canceled, and the command of the selected button is executed. The process is terminated.

  If the determination in step S310 is “NO”, the button navigation command is executed as is, and the process is terminated.

  On the other hand, in step S312, it is determined whether or not the sub instruction of the Jump command is JumpVTS_PTT. If “YES” at step S312, the process branches to step S313. At step S313, a playback order number is added to the navigation command of the button and stored in the memory, and the process proceeds to subsequent step S314. In step S314, highlight / sub-picture color change processing is executed.

  If the determination in step S312 is “NO”, the process branches to step S315. In step S315, it is determined whether the sub instruction of the Jump command is Exit.

  If the determination in step S315 is “YES”, the process branches to step S316. In step S316, the program playback information is discarded, the program mode is canceled, and the selected button command is executed. The process ends.

  If “NO” at step S315, the process branches to step S317, and the process ends without executing the button command at step S317.

  Next, the procedure for changing highlight and sub-picture colors will be described with reference to the flowchart of FIG. Specifically, when a chapter is selected in the program mode during chapter menu playback, the program is selected by changing the color from the normal highlight color and sub-picture background color. It is the control method for doing.

  First, in step S401, it is determined whether or not there is an unused BTN_COLOR as menu color information among BTN_COLOR 1 to 3 of the selected button.

  If “YES” at step S401, the process branches to step S402. If the determination in step S401 is “NO”, the process ends without performing the function of highlight and sub-picture color change.

  In step S402, the color information of unused BTN_COLOR is changed, the changed BTN_COLOR is used as the selected color, and the process proceeds to the subsequent step S403.

  In step S403, it is determined whether the selected button has sub-picture information. If “YES” at step S403, the process branches to step S404, and the background color of the sub-picture is changed at step S404, and the process ends. If “NO” in step S403, the process ends without changing the sub-picture background color.

  FIG. 12 is a diagram showing a configuration example of a memory for storing a program mode start flag, menu button command information, and program reproduction information.

  As shown in FIG. 12, the memory area is divided into three areas: a program function activation flag area, an on-menu button command information area, and a program reproduction information area.

  FIG. 13 is a diagram showing a memory configuration of the program function activation flag area, and FIG. 14 is a diagram showing a memory configuration of the program reproduction information area. As shown in FIG. 14, the program reproduction information area is composed of a reproduction order number 61 of the programmed menu upper button and a navigation command 62 of the button.

  The menu upper button command information area is an area for storing the navigation command of each button, and an area of 8 bytes of navigation command for each button on the menu × 1 button is required.

  FIG. 15 is a flowchart showing a processing procedure for starting chapter reproduction based on information stored in the program reproduction information storage area.

  As shown in FIG. 15, first, in step S501, it is determined whether or not a user has instructed to start program playback during the program mode during menu playback in order to start playback of programmed chapter playback information.

  If “YES” at step S501, the process branches to step S502. If the determination in step S501 is “NO”, it is determined that the chapter is selected in the program mode, and the process ends without performing anything.

  In step S502, the storage information in the program reproduction data storage area is checked to determine whether it has programmed information. If “YES” at step S502, the process branches to step S503. If the determination in step S502 is “NO”, the process ends.

  In step S503, the program reproduction completion number and the menu TTN, VTS_TTN, TT_PGCN, and PTTN for returning to the menu when the program reproduction is completed are stored in the program reproduction data storage area, and the process proceeds to the next step S504.

  In step S504, a command is issued from the program reproduction information designated by the program reproduction number 1, reproduction is started, and the process is terminated.

  FIG. 16 is a flowchart showing a processing procedure when program information is sequentially reproduced and when program reproduction ends.

  As shown in FIG. 16, first, in step S601, it is determined whether a change in PTTN has been detected during program playback in order to determine the completion of playback of a chapter selected during program playback.

  If “YES” at step S601, the process branches to step S602. If the determination in step S601 is “NO”, the chapter reproduction is continued and the process is terminated.

  In step S602, it is determined whether or not there is remaining reproduction data in the program reproduction list in the program reproduction data storage area. If “YES” in step S602, the process branches to step S603. In step S603, a command is executed from the chapter reproduction data of the next reproduction number to reproduce the chapter, and the process ends.

  If the determination in step S602 is “NO”, the process branches to step S604. In step S604, the original menu is called from the data designated by the program reproduction completion number, and the process ends.

  As described above, the present invention provides a highly practical effect that the program can be selected while viewing the detailed contents of the chapter during chapter menu playback. Is expensive. In particular, the present invention can be applied to a content playback apparatus that can provide a chapter menu.

It is a block diagram which shows the structure of the conventional optical disk reproducing | regenerating apparatus. It is a block diagram which shows the structure of the optical disk reproducing | regenerating apparatus concerning embodiment of this invention. It is a figure which shows the optical disk reproducing device used in this embodiment, and the remote control device for a user to operate. It is a figure which shows the example of a display of the conventional chapter program menu. It is a figure which shows an example of the chapter menu of a DVD-Video disc. It is a figure which shows the state which displayed the program list. It is a figure which shows the example of a display during the program selection in a chapter menu. It is a flowchart figure which shows the process sequence from a disc insertion to menu reproduction start. It is a flowchart figure which shows the process sequence from a menu reproduction | regeneration start to program function starting. It is a flowchart figure which shows the selection processing procedure of the program information in a chapter menu. It is a flowchart figure which shows the change processing procedure of highlight and a sub picture color. It is a figure which shows the structural example of a memory required for a program function. It is a data block diagram in the storage area of the program information starting information. It is a data block diagram in the storage area of the information for program reproduction | regeneration. It is a flowchart figure which shows the process sequence which starts the program reproduction | regeneration from a chapter menu. It is a flowchart figure which shows the process sequence at the time of continuation / end of program reproduction | regeneration.

Explanation of symbols

21 Optical Disc 22 Data Reading Device 23 Management Information Storage Device 24 Data Storage Device 25 Data Decoding Device 26 Control Device 31 Optical Disc Playback Device 32 Remote Control Device 33 Menu Button 34 Program Button 51 Chapter Button 52 Prev Button 53 Exit Button 54 Next Button

Claims (8)

A content recording medium control method using a content reproducing apparatus capable of reproducing a recording medium on which content is recorded,
A content recording medium control comprising a procedure for starting a program function for creating a program list in which identification information indicating a predetermined chapter is listed while displaying a chapter menu recorded on the recording medium Method. The content recording medium control method according to claim 1,
A procedure for analyzing the contents of a button command input during playback of the content;
The content recording medium control method further comprising: a procedure for enabling the program function to be activated only when the analyzed button command is a chapter menu display command. The content recording medium control method according to claim 1,
The content recording medium further comprising a procedure of storing identification information indicating the selected chapter in the program list by selecting one of the plurality of chapters displayed on the chapter menu. Control method. The content recording medium control method according to claim 1,
A procedure for analyzing the contents of a button command input during the activation of the program function;
A content recording medium control method, further comprising: a procedure for directly executing the control process instructed by the button command when the analyzed button command is not a chapter on the chapter menu. The content recording medium control method according to claim 1,
A content recording medium further comprising: a procedure for sequentially reproducing chapters based on a program list when a program execution instruction is issued based on a user operation after completion of creation of the program list by the program function Control method. The content recording medium control method according to claim 5,
The content recording medium control method further comprising a step of returning to the chapter menu display screen after the reproduction of all the chapters in the program list is completed. The content recording medium control method according to claim 1,
A procedure for changing highlight color information indicating that a predetermined chapter is being selected when the chapter function is being displayed and the program function is activated.
A method for controlling a content recording medium, further comprising: changing background color information of a sub-picture of a chapter selected on the chapter menu. The content recording medium control method according to any one of claims 1 to 7,
The content recording medium control method, wherein the recording medium is an optical disc on which content is recorded in a DVD-Video format.

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